PACA BOARD OF DIRECTORS

Leading the Organization in 2025 and Beyond

The following is the roster of PACA's Board of Directors and Executive Committee.

As of November 2024:

Officers

Chairman
Jamie Stilley, Amerikohl Aggregates, Inc.

Vice Chairman
Travis Rohrer, Rohrer's Incorporated

Secretary / Treasurer
Jonathan Kolbe, Allegheny Mineral Corporation

Executive Committee

 

  • Jamie Stilley (Chair), Amerikohl Aggregates, Inc.
  • Travis Rohrer (Vice Chair), Rohrer’s Inc.
  • Jonathan Kolbe (Secretary/Treasurer), Allegheny Mineral Corporation
  • Jeff Detwiler (Immediate Past Chair), New Enterprise Stone & Lime Co., Inc.
  • Bob Housel, Masters RMC, Inc.
  • Rod Martin, Martin Stone Quarries, Inc.
  • Dan Schaffer, Heidelberg Materials
  • Mark Carroll, Allan Myers (non-voting)
  • Mike Hawbaker, Glenn O. Hawbaker, Inc. (non-voting)
  • Rob Stewart, York Building Products (non-voting)
  • Richard Rohrssen, Greer Industries (non-voting)
  • Greg Donecker, Kemper Equipment, LLC. (non-voting)

Board of Directors

2025-2026-2027

  • Jason Blase, Conewago Ready Mix                                                                  
  • Christian Bononi, Holcim US
  • Jonathan Byler, Byler Materials Group
  • Michael Gentoso, Stavola Companies
  • Bob Housel, Masters RMC, Inc.
  • John Kibblehouse, Jr., H&K Group

2025-2026

  • Tom Bryan, III, Bryan Materials Group
  • Jay Mizack, Heidelberg Materials 
  • Paul McCarthy, Pennsy Supply, Inc., A CRH company
  • Rory McCoy, Centre Concrete Co.
  • Greg Reshenberg, Wendell H. Stone Company, Inc.
  • Dan Schaffer, Heidelberg Materials
  • Rob Stewart, York Building Products
  • Josh Williams, Buzzi Unicem USA

2025

  • Yonn Barrick, Keystone Cement Company
  • Mark Carroll, Allan Myers
  • Lisa Diliberto, Delaware Valley Concrete Co., Inc.
  • Mike Hawbaker, Glenn O. Hawbaker, Inc.
  • Rod Martin, Martin Stone Quarries, Inc.
  • John Rader, J.J. Kennedy, Inc.
  • Richard Rohrssen, Greer Industries

Immediate Past Chairman

  • Jeff Detwiler, New Enterprise Stone & Lime Co., Inc. 

Associate Members (2024-2025)

  • Greg Donecker, Kemper Equipment (Chair)
  • Nathan Moore, Continental Placer, Inc. (Vice Chair, non-voting)

Young Leaders Development Group (YLDG) (2025-2026)

  • Paul McAndrew, Masters RMC, Inc. (Chair, non-voting)
  • Austin Slater, Allegheny Mineral Corporation (Vice Chair, non-voting)

Counsel

  • Kevin Garber, Babst Calland

Lobbyist

  • Hank Butler, Butler Consulting, LLC

Communications Partner

  • Jill Helsel Gingrich, La Torre Communications
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PACA's Online e-Learning Center

The program is delivered in one (1) module and it should take approximately 30 minutes to complete.  You will receive a certificate of completion once you pass the quiz. The bookmarking feature will allow you to leave the course and resume where you left off when you return.

The Pennsylvania Aggregates and Concrete Association (PACA) is the industry’s unified voice, representing more than 200 member companies across the state.